Common Name - -	Family : Order
Sacha mango - -	Lecythidaceae : Ericales
Sack-shaped catasetum - -	Orchidaceae : Asparagales
Sacred fig - -	Moraceae : Rosales
Samurai orchid - -	Orchidaceae : Asparagales
Sand pink - -	Caryophyllaceae : Caryophyllales
Santa Cruz waterlily - -	Nymphaeaceae : Nymphaeales
Sasanqua camellia - -	Theaceae : Ericales
Sawfly orchid - -	Orchidaceae : Asparagales
Scarlet trumpet - -	Polemoniaceae : Ericales
Schiller's moth orchid - -	Orchidaceae : Asparagales
Schroeder's miltonia - -	Orchidaceae : Asparagales
Scorpion senna - -	Fabaceae : Fabales
Scotch attorney - -	Clusiaceae : Theales
Scots pine - -	Pinaceae : Pinales
Sea bean - -	Fabaceae : Fabales
Sea campion - -	Caryophyllaceae : Caryophyllales
Shihu - -	Orchidaceae : Asparagales
Shore juniper - -	Cupressaceae : Pinales
Siberian larch - -	Pinaceae : Pinales
Sibthorp's thyme - -	Lamiaceae : Lamiales
Sickle leaved fig - -	Moraceae : Rosales
Silver sage - -	Lamiaceae : Lamiales
Single delight - -	Ericaceae : Ericales
Sipylos majoram - -	Lamiaceae : Lamiales
Sir trevor lawrence's cattleya - -	Orchidaceae : Asparagales
Sky blue vanda - -	Orchidaceae : Asparagales
Sleepy catchfly - -	Caryophyllaceae : Caryophyllales
Slender bog orchid - -	Orchidaceae : Asparagales
Small bolwarra - -	Eupomatiaceae : Magnoliales
Small daylily - -	Hemerocallidaceae : Asparagales
Small leaved rock fig - -	Moraceae : Rosales
Small white lady's slipper - -	Orchidaceae : Asparagales
Small-leaved linden - -	Malvaceae : Malvales
Smooth oregano - -	Lamiaceae : Lamiales
Snake plant - -	Ruscaceae : Asparagales
Snow orchid - -	Orchidaceae : Asparagales
Snowflower - -	Araceae : Alismatales
Sombre bee-orchid - -	Orchidaceae : Asparagales
South American palm - -	Arecaceae : Arecales
South American tobacco - -	Solanaceae : Solanales
Southern magnolia - -	Magnoliaceae : Magnoliales
Southern meadow sage - -	Lamiaceae : Lamiales
Spanish broom - -	Fabaceae : Fabales
Spanish catchfly - -	Caryophyllaceae : Caryophyllales
Spanish cherry - -	Sapotaceae : Ericales
Spanish jasmine - -	Oleaceae : Lamiales
Spanish stopper - -	Myrtaceae : Myrtales
Spignel - -	Apiaceae : Apiales
Spiny savory - -	Lamiaceae : Lamiales
Split-leafed cyclanthus - -	Cyclanthaceae : Pandanales
Spotted arum - -	Araceae : Alismatales
Spotted catasetum - -	Orchidaceae : Asparagales
Spotted St. John's wort - -	Hypericaceae : Theales
Spring oilseed rape - -	Brassicaceae : Brassicales
Square stalked St. John's wort - -	Hypericaceae : Theales
St. John's wort - -	Hypericaceae : Theales
Star magnolia - -	Magnoliaceae : Magnoliales
Strangler fig - -	Moraceae : Rosales
Strawberry - -	Rosaceae : Rosales
Suicide tree - -	Apocynaceae : Gentianales
Sulphur daffodil - -	Amaryllidaceae : Asparagales
Summer savory - -	Lamiaceae : Lamiales
Superb pink - -	Caryophyllaceae : Caryophyllales
Swaddled babies orchid - -	Orchidaceae : Asparagales
Sweet cherry - -	Rosaceae : Rosales
Sweet four o'clock - -	Nyctaginaceae : Caryophyllales
Sweet pea - -	Fabaceae : Fabales
Sweet scented lycaste - -	Orchidaceae : Asparagales
Sweet william - -	Caryophyllaceae : Caryophyllales
Sweetbay magnolia - -	Magnoliaceae : Magnoliales
Sword sage - -	Lamiaceae : Lamiales
Syrian sage - -	Lamiaceae : Lamiales